快门

kuài mén sù lǜ

快门速率

shutter speed

kuài mén xiàn

快门线

shutter release

kuài mén sù dù tiáo jié qì

快门速度调节器

shutter speed ring

kuài mén yù shè

快门预设

shutter setting

àn xià kuài mén

按下快门

click the shutter

duì zhè lèi xiàng jī ér yán kuài mén de sù dù shì héng dìng de

对这类相机而言，快门的速度是恒定的。

With this type of camera, the shutter speed is fixed.

tā de shǒu zhǐ fàng zài xiàng jī de kuài mén shang

他的手指放在相机的快门上。

His finger was poised on the camera’s shutter release.